AT1-B2-14-650-521-MT This is a Littelfuse Inc. circuit breaker with a 50A current rating and 277V voltage rating.
Mfr Part #:

AT1-B2-14-650-521-MT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a Littelfuse Inc. circuit breaker with a 50A current rating and 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AT1-B2-14-650-521-MT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating

AT1-B2-14-650-521-MT Description

Short technical summary and product information.

The AT1-B2-14-650-521-MT is a circuit breaker manufactured by Littelfuse Inc. designed for electrical circuit protection. It features a current rating of 50A and a voltage rating of 277V. The breaker type is magnetic with hydraulic delay, suitable for protecting electrical circuits from overcurrent conditions. It has a lever actuator for manual operation and is intended for panel mounting. The device is approved by CCC and UL489A agencies. It is used in electrical systems requiring reliable circuit interruption and protection, especially in panel-mounted configurations. The product is classified under circuit protection components and is suitable for various industrial and commercial electrical applications.

AT1-B2-14-650-521-MT Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. Circuit Breaker AT1-B2-14-650-521-MT

AT1-B2-14-650-521-MT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT1-B2-14-650-521-MT Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

AT1-B2-14-650-521-MT Features

  • Rated for 50A electrical current
  • Voltage rating of 277V
  • Magnetic hydraulic delay breaker type
  • Lever actuator for manual operation
  • Panel mount packaging

AT1-B2-14-650-521-MT Applications

  • Suitable for circuit protection in electrical systems.
  • Used in industrial control panels.
  • Ideal for residential and commercial breaker applications.
  • Suitable for overload and short circuit protection.
  • Used in power distribution equipment.

AT1-B2-14-650-521-MT FAQs

5 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What is the current rating of this circuit breaker?

The current rating is 50A.

What type of breaker is this?

It is a magnetic (hydraulic delay) breaker.

What is the mounting type for this circuit breaker?

It is designed for panel mounting.

What approval agencies have certified this breaker?

It is approved by CCC and UL489A.

AT1-B2-14-650-521-MT Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AS1-B0-14-650-Q21-MT
Littelfuse Inc.
The Littelfuse Inc. AS1-B0-14-650-Q21-MT is a 1-pole, magnetic circuit breaker designed for panel mounting. It features a 50A current rating and a 277V voltage rating.
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AA1-B0-14-650-QB2-MT
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AA1-B0-11-650-Q22-MT
AA1-B0-11-650-Q22-MT
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The Littelfuse Inc. AA1-B0-11-650-Q22-MT is a 1-pole circuit breaker designed for panel mounting. It features a 50A current rating and a 277V voltage rating.
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AA1-B0-14-650-5D1-MT
AA1-B0-14-650-5D1-MT
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The Littelfuse Inc. AA1-B0-14-650-5D1-MT is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a 50A current rating.
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